RXL-W Series EDUS092213A
77
3P686875-1
8
4. Wiring
Refer to the installation manual for the outdoor unit also.
WARNING
• Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electric shock, or re.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or re.
• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or re.
CAUTION
Recommend stranded cable for interunit wiring. Local code always supersedes recommendation.
• For stranded wires, make sure to use the round crimp-style terminal for connection to the power supply terminal block.
Place the round crimp-style terminals on the wires up to the covered part and secure in place.
Round
crimp-style
terminal
Stranded wire
Screw
Flat washer
Screw Screw
Flat washer
Flat washer
Good Wrong
A
Round
crimp-style
terminal
Round crimp-style
terminal
Round
crimp-style
terminal
Arrow view A
• If solid core wire must be used, be sure to curl the end of the lead.
Improper work may cause heat and re.
Good Wrong
1) Remove the front grille. (Refer to “2. Removing and installing
the front grille” on page 11.)
2) Remove the conduit mounting plate and then secure the
conduit to the conduit mounting plate with the lock nut, as
shown in the illustration.
3) Strip wire ends (3/4 inch (20mm)).
4) Match wire colors with terminal numbers on the indoor and
outdoor unit’s terminal blocks and rmly secure the wires in
the corresponding terminals with the screws.
5) Connect the ground wires to the corresponding terminals.
6) Pull the wires lightly to make sure they are securely connected.
7) Attach the conduit mounting plate.
8) Shape the wires so that the service lid ts securely.
9) Attach the front grille. (Refer to “2. Removing and installing
the front grille” on page 11.)
10) Take care to ensure that all wiring between the indoor unit and
the outdoor unit has a consistent connection. Any splices can
cause communication errors.
Back
Wire retainer
Terminal block
Electrical wiring box
Shape wires so that the service
lid ts securely.
Use the specied wire type.
(Illustration may differ from some models)
Conduit
mounting plate
Lock nut
Conduit
Claw
Seat the claw
onto this part and
secure
Strip wire ends
(3/4 inch
(20mm)).
3/4 inch
(20mm)
1
2
3
123
L
1
L
2
Firmly x the wires with the terminal screws.
Outdoor
unit
Indoor
unit
Using AWG14, stranded and insulated wire
for connections between indoor and
outdoor units is recommended. Local codes
always supersede recommendations.
Firmly x the wires with
the terminal screws.
5. Drain piping
Make a downward slope
Getting higher
Wrong
Wrong
Containing waves
Wrong
With the end of the hose
in the drain outlet
Leave a gap of 1-15/16 inches (50mm) or
more at the end of the outlet
1) Connect the drain hose, as described on the right.
• Avoid placing the end of the drain hose in a drainage location
that could cause bad odors or corrosive gas to ow backward
into the outlet.
• The drainage water may change color due to bacteria or other
organisms. Place in a location where the ow of drainage water
will not cause a problem.
• Minimize the number of bends in the drain hose as much as
possible.
If bending the drain hose, bend it gently.
2) Remove the air lters and transfer some water to the indoor heat
exchanger by pouring water into the drain pan.
3) Make sure that water ows out of the drain hose.
01_EN_3P686875-1.indd 8 2022/04/28 11:02:37